CRBA 08013 Crossed Roller Coal Winning Machine Bearing 80x110x13mm

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Bearing number: 7205 CD/HCP4A
Size (mm): 52x25x15
Bore Diameter (mm): 52
Outer Diameter (mm): 25
Width (mm): 15
d: 25 mm
D: 52 mm
B: 15 mm
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Product Details

Bearing number 7205 CD/HCP4A
Size (mm) 52x25x15
Bore Diameter (mm) 52
Outer Diameter (mm) 25
Width (mm) 15
d 25 mm
D 52 mm
B 15 mm
d1 34.1 mm
d2 34.1 mm
D1 43.7 mm
r1,2 - min. 1 mm
r3,4 - min. 0.3 mm
a 12.8 mm
da - min. 30.6 mm
db - min. 30.6 mm
Da - max. 46.4 mm
Db - max. 49.6 mm
ra - max. 1 mm
rb - max. 0.3 mm
dn 36.1 mm
Basic dynamic load rating - C 13.5 kN
Basic static load rating - C0 7.2 kN
Fatigue load limit - Pu 0.305 kN
Limiting speed for grease lubrication 38000 r/min
Limiting speed for oil lubrication 53000 mm/min
Ball - Dw 7.938 mm
Ball - z 13
Gref 1.872 cm3
Calculation factor - f0 9.1
Preload class A - GA 50 N
Preload class B - GB 100 N
Preload class C - GC 200 N
Preload class D - GD 400 N
Calculation factor - f 1
Calculation factor - f2A 1
Calculation factor - f2B 1.01
Calculation factor - f2C 1.03
Calculation factor - f2D 1.06
Calculation factor - fHC 1.01
Preload class A 32 N/micron
Preload class B 42 N/micron
Preload class C 58 N/micron
Preload class D 80 N/micron
Category Precision Ball Bearings
Inventory 0.0
Minimum Buy Quantity N/A
Product Group B04270
Enclosure Open
Precision Class ABEC 7 | ISO P4
Material - Ball Ceramic
Number of Bearings 1 (Single)
Contact Angle 15 Degree
Preload None
Raceway Style 1 Rib Outer Ring
Cage Material Phenolic
Rolling Element Ball Bearing
Flush Ground No
Inch - Metric Metric
Other Features Single Row | Angular Contact | High Capacity Basic Design
Long Description 25MM Bore; 52MM Outside Diameter; 15MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Ceramic Ball Material; 1 (Single) Bearing; 15 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring Ra
UNSPSC 31171531
Harmonized Tariff Code 8482.10.50.28
Noun Bearing
Keyword String Ball Angular Contact
Manufacturer Item Number 7205 CD/HCP4A
Weight / LBS 0.262
Outside Diameter 2.047 Inch | 52 Millimeter
Width 0.591 Inch | 15 Millimeter
Bore 0.984 Inch | 25 Millimeter
r1,2 min. 1 mm
r3,4 min. 0.3 mm
da min. 30.6 mm
db min. 30.6 mm
Da max. 46.4 mm
Db max. 49.6 mm
ra max. 1 mm
rb max. 0.3 mm
Basic dynamic load rating C 13.5 kN
Basic static load rating C0 7.2 kN
Fatigue load limit Pu 0.305 kN
Attainable speed for grease lubrication 38000 r/min
Attainable speed for oil-air lubrication 53000 r/min
Ball diameter Dw 7.938 mm
Number of balls z 13
Reference grease quantity Gref 1.872 cm³
Preload class A GA 50 N
Static axial stiffness, preload class A 32 N/µm
Preload class B GB 100 N
Static axial stiffness, preload class B 42 N/µm
Preload class C GC 200 N
Static axial stiffness, preload class C 58 N/µm
Preload class D GD 400 N
Static axial stiffness, preload class D 80 N/µm
Calculation factor f 1.03
Calculation factor f1 1
Calculation factor f2A 1
Calculation factor f2B 1.01
Calculation factor f2C 1.03
Calculation factor f2D 1.06
Calculation factor fHC 1.01
Calculation factor f0 9.1
Mass bearing 0.11 kg
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Phone 0065 82577418
Fax 0065 82577552
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